Library for PCF8574 Breakout Board by Testato on ArduinoForum, based on code from Mario H. You can see in the picture I2C_LCD_Breakoutboard.jpg the board compatible with this library. Without solder ...

1.0.0 Initial release.

The PCF8574 is a silicon CMOS circuit provides general purpose ... Reference circuit diagram of an Arduino-compatible LCD backpack is shown below. What follows next is information on how to use one of ...

Arduino communication shields, etc. I2C Module has a inbuilt PCF8574 I2C chip that converts I2C serial data to parallel data for the LCD display. These modules are currently supplied with a default ...